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Date: Sun, 27 Aug 2000 23:18:03 -0400 (EDT)
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Subject: 61-79-list Digest V2000 #216
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61-79-list Digest Sun, 27 Aug 2000 Volume: 2000  Issue: 216

In This Issue:
Re: Ignition Upgrades
compression
Which Carb?
Re: compression

----------------------------------------------------------------------

Date: Sat, 26 Aug 2000 22:47:42 -0700 (PDT)
From: Dan Lee <danlee_58 yahoo.com>
Subject: Re: Ignition Upgrades

Tom,

I am not sure how much butchering is required to hook
up a Holley Annihilator to a Duraspark. I imagine some
cuts and splices are required. Mine is connected to a
Mallory Unilite Dist. I cannot fit a Duraspark dist.
in my motor, because of the position of my intake
manifold (351C heads and intake on a 400).
If you email a Fax # to me offline, I will fax the
Holley instructions to you. That holds for the first
100 people who reply (kidding).

Dan Lee
'53 F100
400C-4V


>From: "Hogan, Tom" <Tom.Hogan kla-tencor.com>
>Subject: Re: Ignition Upgrades
>Date: Fri, 25 Aug 2000 18:08:16 -0700


>> Matt,
>>
>> I use a Mallory Unilite and a Mallory Promaster
coil
>> and a Holley HP Annihilator multi-spark CD unit PN
>> 800-100. It works fine. I prefer the Holley because
>> the rev-limit is switch setable, unlike MSD. I
>>really
>> prefer the Duraspark cap and rotor to the Mallory
>> however, and I even have the Mallory High Energy
>> conversion cap, but it gives me trouble in damp
cool
>> weather. I would recommend keeping the dist. and
>> adding the other parts as required. The Holley
>> Installation instructions show how to hook up to a
>> Duraspark.
>>
>> Dan lee
>> '53 F100
>> 400C-4V
>>

<Snip prevous post>

>Do you have to butcher the Duraspark harness to
>install the Holly
>system?

>Tom H.



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------------------------------

Date: Sun, 27 Aug 2000 13:47:18 -0600
From: "William Whited (Tony)" <f10074 ford-trucks.com>
Subject: compression

I'm looking at a 74 truck that has a 460 and engine compression is
between 90 and 145.  Do you guys think it is a problem?  The engine has
around 115,000 miles on it.  TIA

--
William (Tony) Whited
74 F100 Ranger Supercab 390
77 F150 Custom 460
El Paso, TX
Semper Fi



------------------------------

Date: Sun, 27 Aug 2000 17:27:02 -0700
From: scott <scott ford-trucks.com>
Subject: Which Carb?

I had enough of the Motorcraft/Holley on my 84 F-250 W/460.
I pulled the 625 Carter AFB off of my 76 F-250 4x4 W/428 and
installed it on the 84.The 84 runs great,but now the 76 needs
a new AFB or Edelbrock carb.
I can't make up my mind,750 or 625 cfm.It ran fine with the 625
and I'm wondering if the 750 would make it run even better or
if I'm better off with another 625.
I ran the numbers at a carb size site and it stated a 600 is the
perfect size for a 428.I also looked in my Edelbrock catalog and it
states the
750 comes with a little leaner rod/jet combo than I'm currently running
in the 625.
I don't think there would be any increase or decrease in the over all
on or off road performance .I think the only difference would be at WFO.
Is my theory correct? Or am I better off with a 625?
BTW the 428 has headers 2 1/2" dual exhaust with H-pipe and 3 camber
Flowmasters,Edelbrock performer 390 intake,Unilite Dist.,Promaster coil,
RV cam that will be changed out to a hotter one at some point,
10.5 -1 compression and it is balanced.
The truck has a 4 spd and 4.10 gears.
I wheel it and tow with it but it is not a daily driver.(The 84 is).

------------------------------

From: "Garrett Nelson" <garrettnelson writeme.com>
Subject: Re: compression
Date: Sun, 27 Aug 2000 23:14:58 -0500


What I have always been told is that the amount of compression isn't the most important thing. The important thing is that all the cylinders have the same amount of compression. I think the rule is they should all be within 10% of each other. Or is it within 10% of the average? If 90 is the lowest and 145 is the highest then that rule tells me the engine needs some work. Although if it is running fine now it may keep running fine for a long time still.


---Garrett www.1966ford.com
 ----- Original Message -----
 From: William Whited (Tony)
 To: 61-79-list ford-trucks.com ; perf-list
 Sent: Sunday, August 27, 2000 2:47 PM
 Subject: [61-79-list] compression


 I'm looking at a 74 truck that has a 460 and engine compression is
 between 90 and 145.  Do you guys think it is a problem?  The engine has
 around 115,000 miles on it.  TIA

 --
 William (Tony) Whited
 74 F100 Ranger Supercab 390
 77 F150 Custom 460
 El Paso, TX
 Semper Fi


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End of 61-79-list Digest V2000 #216
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